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Likus Engineering Group. Georgia Institute of Technology ME 4182 7 June 2000. Gwyneth Smith Philip Reale Matthew Berrell Justin Disney Lisa Smith Anthony Godfrey. Presentation Overview. Most Viable System Motor Alternatives Type Power Source Frame Alternatives Pulley System
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Likus Engineering Group Georgia Institute of Technology ME 4182 7 June 2000 Gwyneth Smith Philip Reale Matthew Berrell Justin Disney Lisa Smith Anthony Godfrey
Presentation Overview • Most Viable System • Motor Alternatives • Type • Power Source • Frame Alternatives • Pulley System • Carriage System • Frame Attachment
Most Viable System Overall View - 3 Stories Detail View - Underside Adjustable Frame WinchMotor
Most Viable System • Incorporates the Following: • DC Winch Motor • Custom Fabricated, Adjustable Frame • Dual Drive Pulley System • Multiple Lift Point Carriage • Hooks with Half Pipes Frame Attachment
Winch Type (3 alternatives) Pros Inexpensive Geared For Application Cons Mainly DC powered Industrial Motor (3 alternatives) Pros Designed for Continuous Duty Cons Expensive Excess Capacity Motor Selection - Type
AC 1/3 Phase (2 alternatives) Pros Durability Common Power Supply (single phase) Cons Inefficient Safety (3 phase) DC (1 alternative) Pros Adjustable Speed High Starting Torque Many Available Models Cons Requires Rectifier Decreased Reliability Motor Selection – Power Source
Frame AlternativesPreliminary Drawings Fixed Angle Iron Frame Adjustable Angle Iron Frame Adjustable Frame with Basket Uni-Strut
Custom Fabricated (3 alternatives) Pros Design Specific Adjustable Inexpensive Cons Labor intensive Pre-Fabricated (1 alter. UniStrut) Pros Easy to Assemble Cons Expensive Frame Alternatives
Pulley SystemPreliminary Drawings Two Bar System Two Fixed Cables Four Pulleys Boom Crane Track
Dual Drive (2 alternatives) Pros Improved Stability & Weight Distribution Cons Requires Power Transfer System Four Point Lift (3 alternatives) Pros Simplicity Cons Safety Pulley System
CarriagePreliminary Drawings Deep Basket Four into One Four Cable Four Cable with Spacer Two Cable
Single Lift Point (2 alternatives) Pros Easily Configured Cons Safety Multiple Lift Points (3 alternatives) Pros Stability Cons Requires Support Structure Carriage
Hooks (1 alternative) Pros Secured in Two Axes Cons Flexibility Half-Pipes (1 alternative) Pros Can Be Mounted in Various Configurations Cons Two Degrees of Freedom Frame Attachment